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Datashack Update - Shelves!

Posted 01-01-2015 at 10:06 PM by ttk (Unpopular Positions: One Geek's Take)

I finally got around to hanging a couple of shelves in the Datashack, and I don't think the crazy person who constructed the building used proper 2x4 studs. The shelf brackets had holes on either side, about an inch apart, and I had to toe-in the screws pretty hard to get both of them to bite into stud. They must have used 1x4's or 1x2's or some other wacky thing.

Anyway, two shelves are in, and the equipment on that side of the building is on them (though I need to figure out something...
Posted in Uncategorized
Views 425 Comments 0 ttk is offline

Memory overhead of Python and Perl associative arrays

Posted 05-06-2014 at 06:51 PM by ttk (Unpopular Positions: One Geek's Take)

I've been measuring the relative memory overhead of perl hashes and python dicts (essentially the same data type, both associative arrays).

These measures are necessarily approximate, since they resize differently as the tables fill, but the overhead comes to about 57 bytes plus 76 bytes per element for perl, and 264 bytes plus 123 bytes per element for python. Both of these are for numeric-to-numeric mappings.

About halfway through this exercise, it occurred to me...
Posted in Uncategorized
Views 348 Comments 0 ttk is offline


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